ITT Marlow Gemini Plus R75A-C 3/4 HP Whirlpool Tub Pump Replacement

Restore your whirlpool bathtub with the ITT Marlow Gemini Plus R75A-C 3/4 HP Pump Replacement from Whirly Bros. Designed as a direct replacement for discontinued ITT Marlow Gemini Plus pumps, this premium retrofit restores reliable hydrotherapy performance without the expense of replacing your entire bathtub.

Whether your original pump has become noisy, started leaking, seized, or stopped operating, this replacement pump delivers dependable performance and an easy installation for many older whirlpool bath systems.

Why Choose This R75A-C Replacement?

• Direct replacement for ITT Marlow Gemini Plus R75A-C pumps
• Powerful 3/4 HP motor for reliable jet performance
• Quiet, smooth operation
• Durable, high-quality construction
• Built-in air switch for convenient operation with an air button
• Ideal replacement for discontinued OEM pumps
• Designed for long service life and dependable performance

What's Included

Your complete replacement kit includes:

• ITT Marlow Gemini Plus R75A-C 3/4 HP Pump
• (2) Pump Unions
• (1) Six-foot length of air switch tubing

Including the pump unions and tubing helps simplify installation and reduces the need to source additional parts separately.

Common Signs Your Pump Needs Replacement

If you're experiencing any of the following, it may be time to replace your whirlpool pump:

• Loud bearing or motor noise
• Water leaking from the pump seal
• Pump hums but does not start
• Weak jet pressure
• Motor overheats
• Pump repeatedly trips the GFCI
• Visible cracks or damage to the wet end

Replacing a failing pump restores proper water circulation and helps keep your whirlpool bathtub performing like new.

Easy Retrofit Installation

This replacement pump is designed to fit many whirlpool bathtubs originally equipped with the ITT Marlow Gemini Plus R75A-C. Simply remove the old pump, install the new unit using the included pump unions, reconnect the plumbing, attach the air switch tubing, and restore power.

As with any electrical or plumbing repair, installation should be performed by a qualified professional if you are unfamiliar with whirlpool bathtub systems.

Why Buy From Whirly Bros?

Whirly Bros isn't just another online parts store—we specialize in whirlpool bathtub repair and retrofit solutions. We have years of hands-on experience identifying discontinued pumps and helping homeowners, plumbers, and service technicians find the correct replacement the first time.

When you order from Whirly Bros, you receive:

• Expert product identification
• Fast order processing
• Same-day shipping on most in-stock orders
• Free U.S. shipping on qualifying orders
• Friendly technical support before and after your purchase

If you're unsure whether this is the correct replacement for your bathtub, contact us before ordering. Our team is happy to help verify compatibility.

Frequently Asked Questions

Is this a direct replacement for the ITT Marlow Gemini Plus R75A-C?

Yes. This pump is designed as a replacement for many discontinued ITT Marlow Gemini Plus R75A-C whirlpool bathtub pumps.

Does this pump include pump unions?

Yes. Your purchase includes two pump unions for easier installation.

Does it include air switch tubing?

Yes. A six-foot piece of air switch tubing is included.

Will this fit every whirlpool bathtub?

Compatibility depends on your original pump configuration. If you're unsure, send us photos of your existing pump label and plumbing layout, and we'll help confirm the correct replacement.

Do I need to replace my entire bathtub if my pump fails?

In most cases, no. Replacing the pump is a much more affordable solution and restores your whirlpool bathtub's performance without major remodeling.